Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:35 2012

Optimize a model with 1 rows, 15 columns and 15 nonzeros
Model has 58 quadratic objective terms
Modified 15 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 15 columns, 15 nonzeros
Presolved model has 73 quadratic objective terms
Variable types: 0 continuous, 15 integer (15 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 0.000000e+00, 17 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    0.00000    0   15   28.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     2    2.41231    0   15   25.00000    2.41231  90.4%     -    0s
*   20    18              12      24.0000000    4.95016  79.4%   2.5    0s
H  814   137                      23.0000000   14.14335  38.5%   2.1    0s

Explored 1534 nodes (3252 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%